Description

L-Diguluronic Acid Disodium Salt is a high-purity, water-soluble derivative of guluronic acid, a key monomeric unit of alginates. This compound is valued for its role as a critical intermediate and standard in biochemical research and industrial applications. It is primarily utilized by manufacturers and researchers in the pharmaceutical, cosmetic, and food science industries for product development and quality control processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis and research of novel drug delivery systems, particularly those based on alginate polymers.
• Biochemical Research Standard: Serves as a reference standard for analyzing and quantifying guluronic acid content in alginate samples via chromatography or spectroscopy.
• Cosmetic Formulation: Acts as a functional ingredient in skincare products for its potential moisturizing and film-forming properties.
• Food Science & Technology: Employed in research related to food hydrocolloids, texture modification, and the study of alginate gelling mechanisms.
• Enzymology Studies: Used as a substrate for studying alginate lyases and other enzymes involved in polysaccharide degradation.
• Material Science: Investigated for the development of biocompatible hydrogels, wound dressings, and other advanced biomaterials.

Basic Information

Product Name	L-Diguluronic Acid Disodium Salt
CAS No.	34044-54-7
Molecular Formula	C12H16Na2O14
Molecular Weight	406.23 g/mol
Synonyms	Disodium L-Diguluronate; Diguluronic Acid Disodium Salt; Sodium Diguluronate; (4S)-4-[(2S,3S,4S,5R)-3,4-Dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy-2,3,5-trihydroxy-6-oxohexanoic Acid Disodium Salt; L-Guluronic Acid Dimer Disodium Salt; Alginate Disaccharide (G-G) Disodium Salt
EINECS	Contact for details

Quality Control

Our L-Diguluronic Acid Disodium Salt is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.